#存储所点比萨的信息：
pizza={
    'crust':'thick',
    'toppings':['mushrooms','extra cheese'],
}

#概述所点的比萨:
print(f"You ordered a {pizza['crust']}-crust pizza"
    "with the following toppings:")
    
for topping in pizza['toppings']:
    print('\t'+topping)